PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-16:27:50
G03     234.0          69.2               10.7 +/-    0.66      11.3 +/-    0.66  0.100 / 0.220
G09     301.7          15.5                7.0 +/-    1.20      17.3 +/-    1.20  0.110 / 0.280
G14     96.9           18.4                9.1 +/-    2.49      20.9 +/-    2.49  0.050 / 0.050
G16     129.8          57.4               12.5 +/-    0.74      14.5 +/-    0.74  0.050 / 0.050
G22     191.8          55.7               10.5 +/-    0.46      12.4 +/-    0.46  0.030 / 0.030
G23     319.9          49.9                8.3 +/-    0.58      10.5 +/-    0.58  0.040 / 0.040
G26     71.3           51.7               10.3 +/-    0.38      12.7 +/-    0.38  0.060 / 0.050
G31     51.4           20.1                8.3 +/-    2.29      18.1 +/-    2.29  0.050 / 0.050